BE855207A - Systeme commutateur electrique pour dispositif de commutation du courant d'alimentation pour une charge electrique bipolaire - Google Patents

Systeme commutateur electrique pour dispositif de commutation du courant d'alimentation pour une charge electrique bipolaire

Info

Publication number
BE855207A
BE855207A BE178042A BE178042A BE855207A BE 855207 A BE855207 A BE 855207A BE 178042 A BE178042 A BE 178042A BE 178042 A BE178042 A BE 178042A BE 855207 A BE855207 A BE 855207A
Authority
BE
Belgium
Prior art keywords
switching device
supply current
electrical switch
electric load
current switching
Prior art date
Application number
BE178042A
Other languages
English (en)
Inventor
Peter Erik Levin
Original Assignee
K E Levin Maskin A B
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by K E Levin Maskin A B filed Critical K E Levin Maskin A B
Publication of BE855207A publication Critical patent/BE855207A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
    • H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/18—Modifications for indicating state of switch
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/64—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors having inductive loads
BE178042A 1976-06-01 1977-05-31 Systeme commutateur electrique pour dispositif de commutation du courant d'alimentation pour une charge electrique bipolaire BE855207A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7606121A SE403539B (sv) 1976-06-01 1976-06-01 Elektrisk omkopplingsanordnig for anvendning sasom matnigsstromstellare for ett tvapoligt belastningsobjekt

Publications (1)

Publication Number Publication Date
BE855207A true BE855207A (fr) 1977-09-16

Family

ID=20328066

Family Applications (1)

Application Number Title Priority Date Filing Date
BE178042A BE855207A (fr) 1976-06-01 1977-05-31 Systeme commutateur electrique pour dispositif de commutation du courant d'alimentation pour une charge electrique bipolaire

Country Status (7)

Country Link
US (1) US4134025A (fr)
BE (1) BE855207A (fr)
DE (1) DE2724192A1 (fr)
FR (1) FR2353979A1 (fr)
GB (1) GB1572560A (fr)
NL (1) NL7706020A (fr)
SE (1) SE403539B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340852A (en) * 1979-08-09 1982-07-20 Togneri Mauro G Scanning system using alternating current for indicating the open, closed and ground condition of a contact
US4322769A (en) * 1980-12-22 1982-03-30 International Business Machines Corporation Electric switch operation monitoring circuitry
DE3151242C2 (de) * 1981-12-21 1985-05-02 Mannesmann AG, 4000 Düsseldorf Treiberschaltung für Drucker, insbesondere für Matrixdrucker der Nadel- bzw. Hammerbauart
US4540933A (en) * 1982-11-10 1985-09-10 U.S. Philips Corporation Circuit for simultaneous cut-off of two series connected high voltage power switches
US4634842A (en) * 1984-12-28 1987-01-06 General Electric Company Diagnostic testing arrangement for an electric cooking appliance incorporating commutated relay switching circuits
FR2580878B1 (fr) * 1985-04-17 1987-11-27 Jeumont Schneider Procede de commande de l'instant d'ouverture d'un interrupteur, et circuit logique correspondant
US6507283B1 (en) 1998-05-20 2003-01-14 The Foxboro Company Self-validating output module

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195018A (en) * 1961-09-27 1965-07-13 Bell Telephone Labor Inc Transistor amplifier
GB1122502A (en) * 1966-02-24 1968-08-07 Standard Telephones Cables Ltd Improvements in or relating to transistor switching circuits
DD108183A1 (fr) * 1973-11-26 1974-09-05

Also Published As

Publication number Publication date
US4134025A (en) 1979-01-09
NL7706020A (nl) 1977-12-05
SE7606121L (sv) 1977-12-02
DE2724192A1 (de) 1977-12-15
FR2353979A1 (fr) 1977-12-30
GB1572560A (en) 1980-07-30
SE403539B (sv) 1978-08-21

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